Hydrogen gas explosive within range of 4%-75% v/v. assuming that each student in your class produces 6 l of h2 and that the lab is not ventilated, is danger of an explosion? show your calculations to back up your answer.

What is the maximum number of electrons that an atomic orbital can contain?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize